Sony WRR-805A Service Manual page 16

Precautions
•
The unit is designed for use in ambient temperature range
of 0°C to 50°C (32°F to 122°F).
•
Do not place the unit on or near heat sources, such as
lighting equipment, power amplifiers, or in a place subject
to direct sunlight or excessive moisture. In such places,
the external finish or internal parts of the unit may be
damaged.
•
If the unit is used in a very humid or dusty place or in a
place subject to an active gas, clean its surface as well as
the connectors with a dry, soft cloth soon after use.
Lengthy use of the unit in such places or not cleaning it
after its use in such places may shorten its life.
•
When cleaning the unit, never use organic solvents such
as thinners or benzine, which will damage the finish of the
unit.
•
The unit has been factory adjusted precisely. Do not
tamper with its internal parts or attempt to repair it.
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1 MONITOR connector
To monitor the audio output signal, connect the headphones
equipped with 3.5 mm dia. stereo mini jack. You can use
either of stereo or monaural headphones. The monitoring
level can be adjusted with the MONITOR control.
2 OUTPUT (BAL) connector
Supplies audio signals. You can connect this connector to
the microphone input connector of a Camcorder, mixer, or
tape recorder by using the supplied cable.
3 Display section
Shows the status of the tuner and the groups and channels
assigned to the unit.
A
B
C D
A AF (audio frequency) indication
Lights when the output audio signal is over the reference
level.
Parts Identification
Wire antenna
1
MONITOR
connector
2
OUTPUT (BAL)
connector
7
RF indicator
3
Display section
RF TX BATT
8
TX BATT indicator
RF AF
BATT
9
ON
4 MUTING switch
OF F
SET button GP
CH G
MU TIN
0
+/– buttons
5
MODE button
!¡
MONITOR control
6
POWER switch
Battery holder
B BATT (battery) indication
Displays the status of the batteries of this unit.
See "Battery indication" on page 11.
C RF (radio frequency) indications
The dot indications show the RF input level. Depending on
the RF input level, the number of dots changes as below.
Four dots on: more than 45 dBµ
Three dots on: between 35 dBµ and 45 dBµ
Two dots on: between 25 dBµ and 35 dBµ
One dot on: between 15 dBµ and 25 dBµ
No dot: less than 15 dBµ
D GP/CH (group/channel) indication
Shows the reception channel group and respective channel
number.
Each time you press the MODE button the group/channel
indication changes to the frequency and accumulated time
indications as shown below.
Group/channel Frequency indication
indication
Accumulated time indication
Parts Identification
In Accumulated time indication, it displays the accumulated
time of battery use (in one-minute increments).
See "Settings" on page 12.
4 SET button
Press to change and set the contents of the item on the
display.
See "Settings" on page 12.
5 MODE button
Press to select the item to be set on the display.
See "Settings" on page 12.
6 POWER switch
Turns the power of the tuner ON or OFF.
7 RF (radio frequency) indicator
Indicates the strength of the RF input signal.
On in green: more than 25 dBµ
On in red: between 15 dBµ and 25 dBµ
Off: less than 15 dBµ (less than muting
level)
8 TX BATT (transmitter battery) indicator
Indicates the battery condition of the wireless microphone
transmitter. The indicator starts flashing about one hour
before the transmitter batteries go flat.
10
Power Supply
The tuner can operate on two LR6 (size AA) alkaline
batteries continuously for about 6 hours at 25°C (77°F).
Installing the batteries
1
Slide the battery-holder catches inward ( in the direction
of the arrows b b b b b B ) to take out the battery holder.
2
Match the polarities and insert the batteries.
3
Set the battery holder in the original position.
9
9 MUTING switch
Set to ON to eliminate the noise and signal interference
when the tuner is in signal reception standby mode.
See "Muting Functions" on page 15.
0 + (+ selection) / – (– selection/reset) buttons
In setting mode, select the receiving group, channel and
frequency using either of these buttons, or reset the time-of-
use indication to "00:00" with the – button.
See "Settings" on page 12.
!¡ MONITOR control
Turn to adjust the monitoring level through headphones.
Battery indication
When you turn the power on, the battery status of this unit
appears in the BATT indication on the display section.
1 2
L g i h s t L g i h s t
B A T T
n i d c i t a o i n
B t a e t y r L e s s h t a n
G o o d
h a f l c - h a g r e
c o n d t i o i n
Note
The indication may be incorrect if the batteries are not new
when installed. If you plan to use the tuner for a long
Two LR6 (size AA)
period, it is best to replace the batteries with new ones.
alkaline batteries
Notes on batteries
• Use new alkaline batteries.
•
Do not pair different types of batteries.
•
Always replace the two batteries together.
•
The batteries are not rechargeable.
•
Be careful to install the batteries with the correct polarity.
•
When not using the tuner for a long period, remove the
batteries to avoid leakage. If the batteries do leak, clean all
leakage from the battery holder case and the unit. Leakage
left in the holder case and the unit may cause poor battery
contact. If there seems to be poor battery contact, consult
your Sony dealer.
3 4
F a l s h e s G o e s o f f
l A m o t s C o m p e l e t y l
e x h a u s e t d e x h a u s e t d
11